參數(shù)資料
型號(hào): 933714640653
廠商: NXP SEMICONDUCTORS
元件分類: 編、解碼器及復(fù)用、解復(fù)用
英文描述: HC/UH SERIES, OTHER DECODER/DRIVER, TRUE OUTPUT, PDSO16
封裝: SO-16
文件頁(yè)數(shù): 5/7頁(yè)
文件大?。?/td> 47K
代理商: 933714640653
December 1990
5
Philips Semiconductors
Product specication
3-to-8 line decoder/demultiplexer
74HC/HCT238
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see
“74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
ICC category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; tr =tf = 6 ns; CL = 50 pF
SYMBOL
PARAMETER
Tamb (°C)
UNIT
TEST CONDITIONS
74HC
VCC
(V)
WAVEFORMS
+25
40 to +85
40 to +125
min.
typ.
max.
min.
max.
min.
max.
tPHL/ tPLH
propagation delay
An to Yn
47
17
14
150
30
26
190
38
33
225
45
38
ns
2.0
4.5
6.0
Fig.6
tPHL/ tPLH
propagation delay
E3 to Yn
52
19
15
160
32
27
200
40
34
240
48
41
ns
2.0
4.5
6.0
Fig.6
tPHL/ tPLH
propagation delay
En to Yn
50
18
14
155
31
26
195
39
33
235
47
40
ns
2.0
4.5
6.0
Fig.7
tTHL/ tTLH
output transition time
19
7
6
75
15
13
95
19
16
110
22
19
ns
2.0
4.5
6.0
Figs 6 and 7
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